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Static Magnetic Order and Superfluid Density of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>R</mml:mi><mml:mi>FeAs</mml:mi><mml:mo mathvariant="bold" stretchy="false">(</mml:mo><mml:mi mathvariant="bold">O</mml:mi><mml:mo>,</mml:mo><mml:mi mathvariant="bold">F</mml:mi><mml:mo mathvariant="bold" stretchy="false">)</mml:mo></mml:math>(<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>R</mml:mi><mml:mo mathvariant="bold">=</mml:mo><mml:mi>La</mml:mi><mml:mo>,</mml:mo><mml:mi>Nd</mml:mi><mml:mo>,</mml:mo><mml:mi>Ce</mml:mi></mml:math>) and LaFePO Studied by Muon Spin Relaxation: Unusual Similarities with the Behavior of Cuprate Superconductors

2009· article· lv· W1674110685 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenuePhysical Review Letters · 2009
Typearticle
Languagelv
FieldMaterials Science
TopicIron-based superconductors research
Canadian institutionsMcMaster UniversityTRIUMF
Fundersnot available
KeywordsMagnetismSuperfluidityPhysicsCondensed matter physicsSuperconductivityCuprateRelaxation (psychology)Order (exchange)

Abstract

fetched live from OpenAlex

Muon spin relaxation measurements in iron-oxypnictide systems have revealed: (1) commensurate long-range order in undoped LaFeAsO; (2) a Bessel function line shape in $\mathrm{LaFeAs}({\mathrm{O}}_{0.97}{\mathrm{F}}_{0.03})$ which indicates possible incommensurate or stripe magnetism; (3) anomalous weak magnetism existing in superconducting LaFePO, $\mathrm{CeFeAs}({\mathrm{O}}_{0.084}{\mathrm{F}}_{0.16})$, and $\mathrm{NdFeAs}({\mathrm{O}}_{0.88}{\mathrm{F}}_{0.12})$ but absent in superconducting $\mathrm{LaFeAs}({\mathrm{O}}_{0.92}{\mathrm{F}}_{0.08})$; and (4) scaling of the superfluid density with ${T}_{c}$ in the Ce-, La-, and Nd-FeAs superconductors following a nearly linear relationship found in cuprates.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.010
metaresearch head score (Gemma)0.006
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Science and technology studies, Scholarly communication, Open science, Research integrity, Insufficient payload (model declined to judge)
Consensus categoriesMeta-epidemiology (narrow), Science and technology studies, Research integrity, Insufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.832
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0100.006
Meta-epidemiology (narrow)0.0050.008
Meta-epidemiology (broad)0.0030.006
Bibliometrics0.0020.006
Science and technology studies0.0070.010
Scholarly communication0.0070.007
Open science0.0090.007
Research integrity0.0070.008
Insufficient payload (model declined to judge)0.0210.004

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.019
GPT teacher head0.260
Teacher spread0.241 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it